I don't consider myself an expert in the why.

A team is not a group of people that work together. A team is a group of people that trust each other.

Working hard for something we don't care about is called stress; working hard for somthing we love is called passion.

Leadership is a way of thinking, a way of acting and, most importantly, a way of communicating.

When we help ourselves, we find moments of happiness. When we help others, we find lasting fulfillment.

The ability for a group of people to do remarkable things hinges on how well those people can pull together as a team.

A leader's job is not just to get the best out of their people-a leader's job is to make more leaders.

It is better to disappoint people with the truth than to appease them with a lie.

Leadership is not about being in charge. Leadership is about taking care of those in your charge.

Always plan for the fact that no plan ever goes according to plan.

If you hire people just because they can do a job, they'll work for your money, but if they believe what you believe, they'll work for you with blood and sweat and tears.

You are greater than you can possibly imagine, if you would only free yourself up to imagine.

May we graciously accept our responsibility.

In exchange for freedom of inquiry, scientists are obliged to explain their work.

Some of the best advice I've had comes from junior officers and enlisted men.

I couldn’t stand in front of any camera, and I couldn’t go to places where there were a lot of people. I thought people would criticize me if I smiled, or even if I just stayed still.

Money is like love; it kills slowly and painfully the one who withholds it, and enlivens the other who turns it on his fellow man.

I love not serious documentaries, too, but I love seeing people at their wits' end, I guess.

There is still a lot of hard work that we as a country need to do. They can't look to any one individual, whether it's Barack or it's the next new hope that's going to appear to be that savior.

For me happiness occurs arbitrarily: a moment of eye contact on a bus, where all at once you fall in love; or a frozen second in a park where it's enough that there are trees in the world.

I think it's important to make sure you learn and understand the business that you are in, but it's also important to not let that get in the way of your main focus.